11112220443 has 8 divisors (see below), whose sum is σ = 14822373456. Its totient is φ = 7405107200.

The previous prime is 11112220439. The next prime is 11112220487. The reversal of 11112220443 is 34402221111.

11112220443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112220443 - 2² = 11112220439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112220403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751398 + ... + 766043.

It is an arithmetic number, because the mean of its divisors is an integer number (1852796682).

Almost surely, 2^11112220443 is an apocalyptic number.

11112220443 is a deficient number, since it is larger than the sum of its proper divisors (3710153013).

11112220443 is a wasteful number, since it uses less digits than its factorization.

11112220443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519885.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11112220443 its reverse (34402221111), we get a palindrome (45514441554).

The spelling of 11112220443 in words is "eleven billion, one hundred twelve million, two hundred twenty thousand, four hundred forty-three".